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https://issues.apache.org/jira/browse/YARN-457?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13630425#comment-13630425
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Xuan Gong commented on YARN-457:
--------------------------------
+1, Looks good
> Setting updated nodes from null to null causes NPE in AllocateResponsePBImpl
> ----------------------------------------------------------------------------
>
> Key: YARN-457
> URL: https://issues.apache.org/jira/browse/YARN-457
> Project: Hadoop YARN
> Issue Type: Sub-task
> Components: api
> Affects Versions: 2.0.3-alpha
> Reporter: Sandy Ryza
> Assignee: Kenji Kikushima
> Priority: Minor
> Labels: Newbie
> Attachments: YARN-457-2.patch, YARN-457-3.patch, YARN-457-4.patch,
> YARN-457.patch
>
>
> {code}
> if (updatedNodes == null) {
> this.updatedNodes.clear();
> return;
> }
> {code}
> If updatedNodes is already null, a NullPointerException is thrown.
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